![Image: Collum to take charge in Champions League [Migrated]](https://images.ctfassets.net/qu0slcxvbwp6/7piqNl6bDe69f657HSSkwI/0f147240927f63b36ae8e7dd1db979b9/willie-collum-2.jpg?fm=webp&fit=fill&f=face&w=1000&h=650)
Collum will be assisted by David McGeachie and Graeme Stewart for the fixture, which comes on Matchday Four of the competition.
The officiating team in full:
Referee: Willie Collum AR1: David McGeachie AR2: Graeme Stewart Fourth official: Frankie Connor AAR1: Andrew Dallas AAR2: Nick Walsh
![Image: Abbie Hendry and Olivia Crawford on hand to inspire referees. [Migrated]](https://images.ctfassets.net/qu0slcxvbwp6/2AdfV9GeGB7dvnpxmQFOeQ/1a9670d840c61f9f8d6d3de22c22e398/21620573-1.jpg?fm=webp&fit=fill&f=face&w=3280&h=2192)
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![Image: Nick Walsh promoted to UEFA Elite Referee Category [Migrated]](https://images.ctfassets.net/qu0slcxvbwp6/1Aua4TpMEqTupgttrIii97/0f9c1a5c75ba1c29ae6fe140872f0db3/21543997.jpg?fm=webp&fit=fill&f=face&w=4208&h=2800)